clang/test/Driver/openmp-offload.c

   1 ///
   2 /// Perform several driver tests for OpenMP offloading
   3 ///
   4
   5 // REQUIRES: x86-registered-target
   6 // REQUIRES: powerpc-registered-target
   7 // REQUIRES: nvptx-registered-target
   8
   9 /// ###########################################################################
  10
  11 /// Check whether an invalid OpenMP target is specified:
  12 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=aaa-bbb-ccc-ddd %s 2>&1 \
  13 // RUN:   | FileCheck -check-prefix=CHK-INVALID-TARGET %s
  14 // CHK-INVALID-TARGET: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
  15
  16 /// ###########################################################################
  17
  18 /// Check warning for empty -fopenmp-targets
  19 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=  %s 2>&1 \
  20 // RUN:   | FileCheck -check-prefix=CHK-EMPTY-OMPTARGETS %s
  21 // CHK-EMPTY-OMPTARGETS: warning: joined argument expects additional value: '-fopenmp-targets='
  22
  23 /// ###########################################################################
  24
  25 /// Check error for no -fopenmp option
  26 // RUN:   %clang -### -fopenmp-targets=powerpc64le-ibm-linux-gnu  %s 2>&1 \
  27 // RUN:   | FileCheck -check-prefix=CHK-NO-FOPENMP %s
  28 // RUN:   %clang -### -fopenmp=libgomp -fopenmp-targets=powerpc64le-ibm-linux-gnu  %s 2>&1 \
  29 // RUN:   | FileCheck -check-prefix=CHK-NO-FOPENMP %s
  30 // CHK-NO-FOPENMP: error: '-fopenmp-targets' must be used in conjunction with a '-fopenmp' option compatible with offloading; e.g., '-fopenmp=libomp' or '-fopenmp=libiomp5'
  31
  32 /// ###########################################################################
  33
  34 /// Check warning for duplicate offloading targets.
  35 // RUN:   %clang -### -ccc-print-phases -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu,powerpc64le-ibm-linux-gnu  %s 2>&1 \
  36 // RUN:   | FileCheck -check-prefix=CHK-DUPLICATES %s
  37 // CHK-DUPLICATES: warning: OpenMP offloading target 'powerpc64le-ibm-linux-gnu' is similar to target 'powerpc64le-ibm-linux-gnu' already specified; will be ignored
  38
  39 /// ###########################################################################
  40
  41 /// Check -Xopenmp-target=powerpc64le-ibm-linux-gnu -mcpu=pwr7 is passed when compiling for the device.
  42 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -Xopenmp-target=powerpc64le-ibm-linux-gnu -mcpu=pwr7 %s 2>&1 \
  43 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-EQ-TARGET %s
  44
  45 // CHK-FOPENMP-EQ-TARGET: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-device"
  46
  47 /// ###########################################################################
  48
  49 /// Check -Xopenmp-target -mcpu=pwr7 is passed when compiling for the device.
  50 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -Xopenmp-target -mcpu=pwr7 %s 2>&1 \
  51 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-TARGET %s
  52
  53 // CHK-FOPENMP-TARGET: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-device"
  54
  55 /// ##########################################################################
  56
  57 /// Check -mcpu=pwr7 is passed to the same triple.
  58 // RUN:    %clang -### -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu --target=powerpc64le-ibm-linux-gnu -mcpu=pwr7 %s 2>&1 \
  59 // RUN:    | FileCheck -check-prefix=CHK-FOPENMP-MCPU-TO-SAME-TRIPLE %s
  60
  61 // CHK-FOPENMP-MCPU-TO-SAME-TRIPLE: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-device"
  62
  63 /// ##########################################################################
  64
  65 /// Check -march=pwr7 is NOT passed to nvptx64-nvidia-cuda.
  66 // RUN:    %clang -### -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda --target=powerpc64le-ibm-linux-gnu -march=pwr7 %s 2>&1 \
  67 // RUN:    | FileCheck -check-prefix=CHK-FOPENMP-MARCH-TO-GPU %s
  68
  69 // CHK-FOPENMP-MARCH-TO-GPU-NOT: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-device"
  70
  71 /// ###########################################################################
  72
  73 /// Check -march=pwr7 is NOT passed to x86_64-unknown-linux-gnu.
  74 // RUN:    %clang -### -fopenmp=libomp -fopenmp-targets=x86_64-unknown-linux-gnu --target=powerpc64le-ibm-linux-gnu -march=pwr7 %s 2>&1 \
  75 // RUN:    | FileCheck -check-prefix=CHK-FOPENMP-MARCH-TO-X86 %s
  76
  77 // CHK-FOPENMP-MARCH-TO-X86-NOT: clang{{.*}} "-target-cpu" "pwr7" {{.*}}"-fopenmp-is-device"
  78
  79 /// ###########################################################################
  80
  81 /// Check -Xopenmp-target triggers error when multiple triples are used.
  82 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu,powerpc64le-unknown-linux-gnu -Xopenmp-target -mcpu=pwr8 %s 2>&1 \
  83 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-TARGET-AMBIGUOUS-ERROR %s
  84
  85 // CHK-FOPENMP-TARGET-AMBIGUOUS-ERROR: clang{{.*}} error: cannot deduce implicit triple value for -Xopenmp-target, specify triple using -Xopenmp-target=<triple>
  86
  87 /// ###########################################################################
  88
  89 /// Check -Xopenmp-target triggers error when an option requiring arguments is passed to it.
  90 // RUN:   %clang -### -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -Xopenmp-target -Xopenmp-target -mcpu=pwr8 %s 2>&1 \
  91 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-TARGET-NESTED-ERROR %s
  92
  93 // CHK-FOPENMP-TARGET-NESTED-ERROR: clang{{.*}} error: invalid -Xopenmp-target argument: '-Xopenmp-target -Xopenmp-target', options requiring arguments are unsupported
  94
  95 /// ###########################################################################
  96
  97 /// Check the phases graph when using a single target, different from the host.
  98 /// We should have an offload action joining the host compile and device
  99 /// preprocessor and another one joining the device linking outputs to the host
 100 /// action.
 101 // RUN: %clang -ccc-print-phases -fopenmp=libomp --target=powerpc64-ibm-linux-gnu \
 102 // RUN:   -fopenmp-targets=powerpc64-ibm-linux-gnu %s 2>&1 | FileCheck -check-prefix=CHK-PHASES %s
 103 //      CHK-PHASES: 0: input, "[[INPUT:.+]]", c, (host-openmp)
 104 // CHK-PHASES-NEXT: 1: preprocessor, {0}, cpp-output, (host-openmp)
 105 // CHK-PHASES-NEXT: 2: compiler, {1}, ir, (host-openmp)
 106 // CHK-PHASES-NEXT: 3: input, "[[INPUT]]", c, (device-openmp)
 107 // CHK-PHASES-NEXT: 4: preprocessor, {3}, cpp-output, (device-openmp)
 108 // CHK-PHASES-NEXT: 5: compiler, {4}, ir, (device-openmp)
 109 // CHK-PHASES-NEXT: 6: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {2}, "device-openmp (powerpc64-ibm-linux-gnu)" {5}, ir
 110 // CHK-PHASES-NEXT: 7: backend, {6}, assembler, (device-openmp)
 111 // CHK-PHASES-NEXT: 8: assembler, {7}, object, (device-openmp)
 112 // CHK-PHASES-NEXT: 9: offload, "device-openmp (powerpc64-ibm-linux-gnu)" {8}, object
 113 // CHK-PHASES-NEXT: 10: clang-offload-packager, {9}, image, (device-openmp)
 114 // CHK-PHASES-NEXT: 11: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {2}, "device-openmp (powerpc64-ibm-linux-gnu)" {10}, ir
 115 // CHK-PHASES-NEXT: 12: backend, {11}, assembler, (host-openmp)
 116 // CHK-PHASES-NEXT: 13: assembler, {12}, object, (host-openmp)
 117 // CHK-PHASES-NEXT: 14: clang-linker-wrapper, {13}, image, (host-openmp)
 118
 119 /// ###########################################################################
 120
 121 /// Check the phases when using multiple targets and multiple source files
 122 // RUN: %clang -ccc-print-phases -lsomelib -fopenmp=libomp --target=powerpc64-ibm-linux-gnu \
 123 // RUN:   -fopenmp-targets=x86_64-pc-linux-gnu,powerpc64-ibm-linux-gnu %s %s 2>&1 | FileCheck -check-prefix=CHK-PHASES-FILES %s
 124 //      CHK-PHASES-FILES: 0: input, "somelib", object, (host-openmp)
 125 // CHK-PHASES-FILES-NEXT: 1: input, "[[INPUT:.+]]", c, (host-openmp)
 126 // CHK-PHASES-FILES-NEXT: 2: preprocessor, {1}, cpp-output, (host-openmp)
 127 // CHK-PHASES-FILES-NEXT: 3: compiler, {2}, ir, (host-openmp)
 128 // CHK-PHASES-FILES-NEXT: 4: input, "[[INPUT]]", c, (device-openmp)
 129 // CHK-PHASES-FILES-NEXT: 5: preprocessor, {4}, cpp-output, (device-openmp)
 130 // CHK-PHASES-FILES-NEXT: 6: compiler, {5}, ir, (device-openmp)
 131 // CHK-PHASES-FILES-NEXT: 7: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {3}, "device-openmp (x86_64-pc-linux-gnu)" {6}, ir
 132 // CHK-PHASES-FILES-NEXT: 8: backend, {7}, assembler, (device-openmp)
 133 // CHK-PHASES-FILES-NEXT: 9: assembler, {8}, object, (device-openmp)
 134 // CHK-PHASES-FILES-NEXT: 10: offload, "device-openmp (x86_64-pc-linux-gnu)" {9}, object
 135 // CHK-PHASES-FILES-NEXT: 11: input, "[[INPUT]]", c, (device-openmp)
 136 // CHK-PHASES-FILES-NEXT: 12: preprocessor, {11}, cpp-output, (device-openmp)
 137 // CHK-PHASES-FILES-NEXT: 13: compiler, {12}, ir, (device-openmp)
 138 // CHK-PHASES-FILES-NEXT: 14: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {3}, "device-openmp (powerpc64-ibm-linux-gnu)" {13}, ir
 139 // CHK-PHASES-FILES-NEXT: 15: backend, {14}, assembler, (device-openmp)
 140 // CHK-PHASES-FILES-NEXT: 16: assembler, {15}, object, (device-openmp)
 141 // CHK-PHASES-FILES-NEXT: 17: offload, "device-openmp (powerpc64-ibm-linux-gnu)" {16}, object
 142 // CHK-PHASES-FILES-NEXT: 18: clang-offload-packager, {10, 17}, image, (device-openmp)
 143 // CHK-PHASES-FILES-NEXT: 19: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {3}, "device-openmp (powerpc64-ibm-linux-gnu)" {18}, ir
 144 // CHK-PHASES-FILES-NEXT: 20: backend, {19}, assembler, (host-openmp)
 145 // CHK-PHASES-FILES-NEXT: 21: assembler, {20}, object, (host-openmp)
 146 // CHK-PHASES-FILES-NEXT: 22: input, "[[INPUT]]", c, (host-openmp)
 147 // CHK-PHASES-FILES-NEXT: 23: preprocessor, {22}, cpp-output, (host-openmp)
 148 // CHK-PHASES-FILES-NEXT: 24: compiler, {23}, ir, (host-openmp)
 149 // CHK-PHASES-FILES-NEXT: 25: input, "[[INPUT]]", c, (device-openmp)
 150 // CHK-PHASES-FILES-NEXT: 26: preprocessor, {25}, cpp-output, (device-openmp)
 151 // CHK-PHASES-FILES-NEXT: 27: compiler, {26}, ir, (device-openmp)
 152 // CHK-PHASES-FILES-NEXT: 28: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {24}, "device-openmp (x86_64-pc-linux-gnu)" {27}, ir
 153 // CHK-PHASES-FILES-NEXT: 29: backend, {28}, assembler, (device-openmp)
 154 // CHK-PHASES-FILES-NEXT: 30: assembler, {29}, object, (device-openmp)
 155 // CHK-PHASES-FILES-NEXT: 31: offload, "device-openmp (x86_64-pc-linux-gnu)" {30}, object
 156 // CHK-PHASES-FILES-NEXT: 32: input, "[[INPUT]]", c, (device-openmp)
 157 // CHK-PHASES-FILES-NEXT: 33: preprocessor, {32}, cpp-output, (device-openmp)
 158 // CHK-PHASES-FILES-NEXT: 34: compiler, {33}, ir, (device-openmp)
 159 // CHK-PHASES-FILES-NEXT: 35: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {24}, "device-openmp (powerpc64-ibm-linux-gnu)" {34}, ir
 160 // CHK-PHASES-FILES-NEXT: 36: backend, {35}, assembler, (device-openmp)
 161 // CHK-PHASES-FILES-NEXT: 37: assembler, {36}, object, (device-openmp)
 162 // CHK-PHASES-FILES-NEXT: 38: offload, "device-openmp (powerpc64-ibm-linux-gnu)" {37}, object
 163 // CHK-PHASES-FILES-NEXT: 39: clang-offload-packager, {31, 38}, image, (device-openmp)
 164 // CHK-PHASES-FILES-NEXT: 40: offload, "host-openmp (powerpc64-ibm-linux-gnu)" {24}, "device-openmp (powerpc64-ibm-linux-gnu)" {39}, ir
 165 // CHK-PHASES-FILES-NEXT: 41: backend, {40}, assembler, (host-openmp)
 166 // CHK-PHASES-FILES-NEXT: 42: assembler, {41}, object, (host-openmp)
 167 // CHK-PHASES-FILES-NEXT: 43: clang-linker-wrapper, {0, 21, 42}, image, (host-openmp)
 168
 169 /// Check -fopenmp-is-device is passed when compiling for the device.
 170 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu %s 2>&1 \
 171 // RUN:   | FileCheck -check-prefix=CHK-FOPENMP-IS-DEVICE %s
 172
 173 // CHK-FOPENMP-IS-DEVICE: "-cc1"{{.*}} "-aux-triple" "powerpc64le-unknown-linux" {{.*}}"-fopenmp-is-device" "-fopenmp-host-ir-file-path" {{.*}}.c"
 174
 175 /// Check arguments to the linker wrapper
 176 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu %s 2>&1 \
 177 // RUN:   | FileCheck -check-prefix=CHK-NEW-DRIVER %s
 178
 179 // CHK-NEW-DRIVER: clang-linker-wrapper{{.*}}"--host-triple=powerpc64le-unknown-linux"{{.*}}--{{.*}}"-lomp"{{.*}}"-lomptarget"
 180
 181 /// Check arguments to the linker wrapper
 182 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu -g %s 2>&1 \
 183 // RUN:   | FileCheck -check-prefix=CHK-NEW-DRIVER-DEBUG %s
 184
 185 // CHK-NEW-DRIVER-DEBUG: clang-linker-wrapper{{.*}} "--device-debug"
 186
 187 /// Check arguments to the linker wrapper
 188 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu \
 189 // RUN:     -mllvm -abc %s 2>&1 | FileCheck -check-prefix=CHK-NEW-DRIVER-MLLVM %s
 190
 191 // CHK-NEW-DRIVER-MLLVM: clang-linker-wrapper{{.*}} "-abc"
 192
 193 //
 194 // Ensure that we generate the correct bindings for '-fsyntax-only' for OpenMP.
 195 //
 196 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu \
 197 // RUN:     -fsyntax-only -ccc-print-bindings %s 2>&1 | FileCheck -check-prefix=CHK-SYNTAX-ONLY %s
 198 // CHK-SYNTAX-ONLY: # "powerpc64le-ibm-linux-gnu" - "clang", inputs: ["[[INPUT:.+]]"], output: (nothing)
 199 // CHK-SYNTAX-ONLY: # "powerpc64le-unknown-linux" - "clang", inputs: ["[[INPUT]]", (nothing)], output: (nothing)
 200
 201 //
 202 // Ensure that we can generate the correct arguments for '-fsyntax-only' for
 203 // OpenMP.
 204 //
 205 // RUN:   %clang -### --target=powerpc64le-linux -fopenmp=libomp -fopenmp-targets=powerpc64le-ibm-linux-gnu \
 206 // RUN:     -fsyntax-only %s 2>&1 | FileCheck -check-prefix=CHK-SYNTAX-ONLY-ARGS %s
 207 // CHK-SYNTAX-ONLY-ARGS: "-cc1" "-triple" "powerpc64le-ibm-linux-gnu"{{.*}}"-fsyntax-only"
 208 // CHK-SYNTAX-ONLY-ARGS: "-cc1" "-triple" "powerpc64le-unknown-linux"{{.*}}"-fsyntax-only"